You have to be true to yourself. Strong enough to be true to yourself. Brave enough to be strong enough to be true to yourself. Healthy enough to be brave enough to be strong enough to shape yourself from what you actually are.
The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.
On pivoting: "If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."